<template>
    <div>
        <div class="center">
            <div class="item"></div>
    </div>
        <div class="start">
            <div class="item"></div>
    </div>
    <div class="end">
        <div class="item"></div>
        </div>
    </div>
</template>
<script>
export default {
    data() {
        return {};
        
    },
    methods:{},
};
</script>
<style scoped>
.center{
  display: flex;
  align-items: center;
  height: 150px;
  background: blue;
}

.start{
  display: flex;
  justify-content: flex-start;
  height: 150px;
  background: blue;
  
}
.end{
  display: flex;
   align-items: flex-end;
  height: 150px;
  background: blue;
  
}

.item {
  width: 100px;
  height: 100px;
  border: 1px solid #000;
  background:red;

}
</style>